After the typist writes 12 letters and addresses 12 envelopes, she inserts the…
Infosys · 2025Hexaware · 2024Cognizant · 2025AMCAT · Computer Science · 2023TCS · 2024
After the typist writes 12 letters and addresses 12 envelopes, she inserts the letters randomly into the envelopes (1 letter per envelope). What is the probability that exactly 1 letter is inserted in an improper envelope?
- A.
1
- B.
0
- C.
0.5
- D.
0.25
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